14
1007332 ISSUE 1
OWNER/INSTALLATION MANUAL
Model HPP-i 8 HPP-i 12 HPP-i 16 HPP-i 18 HPP-i 24 HPP-i 30
Refrigerant
charge
R32 kg 0.6 0.9 1.1 1.2 2.0 2.7
Minimum
area
m² 3.1 6.9 10.3 12.3 34.0 62.0
Notes *Assumed worst case for access category: a - general access and location class: I - mechanical equipment in
occupied space; bo as defined in line wi EN378-1 2016 section 5.1 table 4 and section 5.3
*Minimum Area is calculated in line wi section C.2 on EN378-1 2016 (calculation C.2)
3�2 REFRIGERANT TYPE AND INSTALLED
LOCATION
This heat pump contains R32, which is an
environmentally friendly refrigerant wi a GWP
(Global Warming Potential) of 675. R32 has e safety
in use classification of A2L, being low toxicity and
lower flammability. In practical terms it is very dicult
to ignite an A2L refrigerant, but is classification
requires a risk assessment to be undertaken for e
possibility of refrigerant being released by accident into
an area connected to e heat pump, considering e
application, location of components, and e installed
refrigerant charge. This installation guidance can form
e framework for such a risk assessment for e
installation.
All flammable refrigerants will not ignite if e
concentration level in a room stays below eir lower
flammability limit (LFL). European standard EN378
defines requirements to remain far below e lower
flammable limit in case of accidental leakage. By
choosing e location as dictated by EN378-1:2016
e probability of forming a flammable atmosphere
can be eliminated. Please refer to e minimum
area for each product and e interpretation below
regarding locations of heat pump and swimming pool.
This information is provided as a guide only and does
not supersede e regulations or heal and safety
requirements.
INTERPRETATION
Please refer to e installation situations below for how
to apply e minimum area stated above.
Pool outside and heat pump outside:
Automatically meets e minimum area requirement
because outside space is unlimited.
Pool outside and heat pump inside a plant room:
Automatically meets e minimum area requirement
because e room must open to e outside for heat
pump airflow and e outside space is unlimited.
Pool inside and heat pump outside:
The pool hall must exceed e minimum area
requirement shown above.
Pool inside and heat pump inside a plant room,
isolated from e pool hall:
The pool hall must exceed e minimum area
requirement shown above.
Pool inside and heat pump inside a plant room,
ventilated to e pool hall:
The pool hall and plant room combined must exceed
e minimum area requirement shown above.
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